Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
75917953Factored
FactorDigitsBitsDate
5862448278385750421722187719933098.92015-04-25 00:57:57
P-1 factors
DateFactorB1B2
2015-04-255862448278385750421722187719936700000
History
DateUserTypeResult
2015-04-25guruF-PM1
Factor: 586244827838575042172218771993 / (P-1, B1=670000)
2015-04-08The MawnNF
no factor from 2^73 to 2^74
2015-04-08The MawnNF
no factor from 2^72 to 2^73
2015-03-29LaurVNF
no factor from 2^71 to 2^72
2013-06-01Six Blue BoxesNF
no factor from 2^70 to 2^71
2011-03-05y-omoriNF
no factor from 2^69 to 2^70
2011-01-31john_sNF
no factor from 2^68 to 2^69
2011-01-24dslNF
no factor from 2^67 to 2^68
2010-11-11Hollie L Buchanan IINF
no factor from 2^66 to 2^67
2010-10-29Hollie L Buchanan IINF
no factor from 2^65 to 2^66
2010-08-15Anu JärviNF
no factor from 2^64 to 2^65
2009-06-01Architects CubedNF
no factor from 2^63 to 2^64